Motion responsive switch



Jan. 7, 1958 I. A. TRYGG MOTION RESPONSIVE swITcH Filed Nov. 27, 1956 INVENTOR. Z A. Trygg ATTORNEY United States Patent MOTION RESPONSIVE SWITCH Irving A. Trygg, West Orange, N. J. Application November '27, 1956, Serial No. 624,674

6 Claims. (Cl. 200-152 This invention relates to switches, and is more particularly directed to a motion responsive switch so constructed that, in one normal position thereof, it will be inoperative, and, when moved from that position, will be rendered operative. In one convenient form, shown in the drawing, the switch is a normally 0 switch of the pushbutton type and in the normal inoperative position thereof the switch is open. Such switch may be used to actuate a bell, or chime device, and is equally applicable to use for other purposes and as a normally closed switch rendered inoperative when the button is actuated.

A further feature of the invention resides in making the switch inherently operative and fool-proof so that it will have a very protracted useful life and reducing to an extreme minimum the chance of failure of the switch in use. A further feature of the invention consists in the provision of a motion responsive switch which may be made self-contained for installation and having means for rapid connection in the electric circuit to be controlled thereby.

In the drawings:

Fig. 1 is a perspective, fragmentary view of a motion responsive switch embodying the invention, the switch housing being shown disposed in inoperative position,

Fig. 2 is a vertical, longitudinal sectional view thereof, showing the switch housing, in dotted lines, in inoperative position, and, in full line, moved from that position on pressing the switch button inwardly, and

Fig. 3 is a similar view, showing the switch housing rotated from its inoperative position.

As shown in the drawings, the device comprises a plate member adapted to be mounted on a support, as, for example, by passing suitable securing means through openings 11 and 12. The plate has an aperture 13 therein (Figs. 2 and 3) wherein a button 14 having a main portion of smaller diameter than plate aperture 13 and an end flange 15 of larger diameter than the aperture is slidably disposed. The button is normally disposed in the aperture with flange 15 disposed against the plate by mounting the switch housing 16 (Fig. l and dotted lines Fig. 2) preferably at a point 17 rearwardly of the button 14. A terminal support may be provided as shown at 18 in Fig. 1 in the form of a disc or the like secured to shell 19 which, in turn, is suitably secured to the plate 10 so as to form therewith a complete, selfcontained unit. The switch may be connected with an electric circuit by any suitable arrangement, as for example, by connecting the wires 20, 21 of the switch housing to the disc 18 as at 22, 23. The switch may be any form of switch which is motion responsive, as for example, the mercury type of switch Whose electrical action depends on the position of the switch housing.

A convenient form of mounting the switch housing is shown in Fig. 1, comprising the provision of a pair of spaced, aligned, apertured ears 24, 25, through which a pin 26, secured to the housing 16 or freely passing through the housing, extends. The housing may be forwardly Patented Jan. 7, 1958 extended, as, for example, by providing the same with an inclined forward face 27 (Fig. 3) and it may be so pivotally mounted-at .a point rearwardly of the bottom of the housing and above the axial center line of the button (see Fig. 2) so as to provide a point of contact which may be engaged by the button flange forwardly of the pivot ,point. In that construction, the button may be moved inwardly to engage the face of the housing thereby rotating the housing through a considerable arc- (Fig. 3 in use of "the switch. From the foregoing, it will be apparent that the switch is normally inoperative, since the housing 16 will be normally pendently disposed and williho'l'd the button projected through the aperture 13 of the plate, 10. The user need only move the button inwardly to rotate the switch and effect a positive actuation of the switch as long as the button is held inwardly, the switch becoming inoperative as soon as pressure is released. While the device is shown for use manually, it is adapted to be used in any situation in which the button is moved to actuate the switch by suitable means.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

l. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture therein, a button slidably disposed in said aperture, a motion responsive switch mounted in an elongated housing, means to pivotally connect the forward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, said switch being inoperative when so disposed and becoming operative when moved from that position, said button having a portion of smaller diameter than the plate aperture and an end flange of larger diameter than the aperture so that the button may be slidably disposed in said aperture, the flange precluding excess movement of the button in the aperture, said switch housing being so pivotally mounted on the plate rearwardly and above the center line of the button.

2. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture, a button slidably disposed in said aperture, a motion responsive switch mounted in an elongated housing, means to pivotally connect the forward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, said switch being inoperative when so disposed and becoming operative when moved from that position, said means to pivotally mount the forward end of the switch housing on said plate comprising a pair of spaced, apertured, aligned ears disposed on the plate, and a bar fixed to the switch housing and passing through said ears so as to normally dispose the forward end of the housing against the button and the button flange against the plate aperture, disposing the switch inoperative until the button is moved inwardly to tilt the switch housing.

3. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture therein, a button slidably disposed in said aperture, a motion responsive switch mounted in an elongated housing, means to pivotally connect the for ward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, said switch being inoperative when so disposed and becoming operative when moved from that position, a face at the forward end 'of the switch housing angularly inclined relative to the longitudinal axis of the housing.

4. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture, a button slidably disposed in said aperture, a motionv responsive switch mounted in an elongated housing. means to pivotally connect the forward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, said switch being inoperative when so disposed and becoming operative when moved from that position, the bottom of the housing being forwardly extended and the housing being so pivotally mounted at a point rearwardly of the so extended bottom of the housing.

5. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture therein, a button slidably disposed in said aperture, a motion responsive switch mounted in an elongated housing, means to pivotally connect the forward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, said switch being inoperative when so disposed and becoming operative when moved from that position, said housing being so pivotally'mounted at a point rearwardly of the so extended bottom of the housing and above the center line of the button.

6. A motion responsive switch comprising a plate member adapted to be mounted on a support, said plate having an aperture therein, a button slidably disposed in said aperture, a motion responsive switch mounted in an elongated housing, means to pivotally connect the forward end of said switch housing to said plate so that the housing will normally be disposed pendently therefrom, at a point adjacent the aperture to dispose the forward end of the switch housing into a position angularly intersecting the extended axial center line of the button, so as to be contacted and pivoted into a position essentially in said axial line on movement of the button inwardly through the plate aperture.

References Cited in the file of this patent UNITED STATES PATENTS 2,020,733 Moehler Nov. 12, 1935 

